Marco Mondelli @MMondelli
Professor @ISTAustria. Machine learning, information theory. Prev: @Stanford, @EPFL marcomondelli.com Vienna, Austria Joined July 2021-
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Marco Mondelli retweeted
📢 We are pleased to announce the 7th edition of Youth in High Dimensions, taking place on July 20th-23rd at ITCP in Trieste. Apply via our website by April 18th for financial and/or visa support, and by May 9th for all participants: indico.ictp.it/event/11153.
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@MountainOfMoon @mahdisoltanol (cnt.) For square loss, we show that gradient descent needs d samples and we have a mild upper bound on step size.
@MountainOfMoon @mahdisoltanol Let me clarify. We look at correlation and square loss. For correlation loss, we show that gradient flow needs d samples, while SGD needs d log d. It was argued that the lower bound on SGD holds for the optimal stable step size of order 1/d (see screenshot above).
Marco Mondelli retweeted
Fun new theory paper on data reuse: 𝗙𝗨𝗟𝗟-𝗕𝗔𝗧𝗖𝗛 𝗚𝗗 can beat 𝗢𝗡𝗘-𝗣𝗔𝗦𝗦 𝗦𝗚𝗗 by a log-factor in samples. Same single-index model, same data: → 𝗚𝗗 recovers with n ≈ d → 𝗦𝗚𝗗 needs n ≳ d log d arxiv.org/abs/2602.02431
Marco Mondelli retweeted
✨️📢 Best paper award: Spurious Correlations in High Dimensional Regression: The Roles of Regularization, Simplicity Bias and Over-Parameterization 🎉👏 @MMondelli @simone_bombari
Marco Mondelli retweeted
Interested in theory for high-dimensional statistical problems? The workshop "Youth in High Dimensions" in #Trieste July 7-9 has an amazing speaker lineup and offers great networking opportunities indico.ictp.it/event/10849 - co-organized w/ @MMondelli @sebastiangoldt JeanBarbier
Congratulations @simone_bombari, very well deserved!
Congrats to @simone_bombari from the Mondelli Group @MMondelli for becoming the first-ever PhD student at @ISTAustria to receive a @Google #Fellowship. Simone's research will focus on the mathematical foundations of deep learning, differential privacy, and adversarial robustness.
Marco Mondelli retweeted
We invite expository articles on generative models for the IEEE BITS magazine: itsoc.org/sites/default/… Feel free to reach out to me or other guest editors @abeirami, @MMondelli , @SametOymac, Vatsal Sharan if you have any questions.
@ukmlv @ERC_Research @ISTAustria Thank you!
Grateful to @ERC_Research and excited to start the project. This would not have been possible without my group at @ISTAustria and my collaborators, thank you! Multiple open positions (postdocs, PhDs, interns), strong candidates encouraged to reach out. marcomondelli.com
Three @ISTAustria scientists have won @ERC_Research Starting Grants #ERCStG! A combined 4.8 million euros will go to @MMondelli, @aliciakmichael, and @lisa_Bugnet. Read more about the scientists and their projects 🔗 bit.ly/3XvfQXo
@Grigoris_c @ERC_Research @ISTAustria Thanks!
@CevherLIONS @ERC_Research @ISTAustria Thank you Volkan!
@sebastiangoldt @Sissaschool bravo, Seb!
@stefsmlab @ERC_Research @ISTAustria Thank you!
@subhabratasen90 @ERC_Research @ISTAustria Thanks!
@joanbruna @ERC_Research @ISTAustria Thank you Joan!
@mahdi_tcs @ERC_Research @ISTAustria Thanks!
@DimitrisPapail @ERC_Research @ISTAustria very kind, Dimitris, thank you!
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